ULTRASONIC ACOUSTIC SENSOR
SPM0204UD5
ULTRASONIC ACOUSTIC SENSOR
www.DataSheet4U.com
Knowles Acoustics, a division of Knowles Electronics, LLC
...
Description
SPM0204UD5
ULTRASONIC ACOUSTIC SENSOR
www.DataSheet4U.com
Knowles Acoustics, a division of Knowles Electronics, LLC
Revision: PRELIMINARY Page 1 of 9
SPM0204UD5
1. DESCRIPTION AND APPLICATION 1.1. Description Surface Mount Wide-Band Ultrasonic Acoustic Sensor 1.2. Applications Hand held telecommunication devices, Positioning Sensing, Pneumatic Flow Sensing 2. PART MARKING
Tracking Number Convention S: 1-6: Manufacturing Location Job Identification Number
S123456
3. TEMPERATURE RANGE 3.1. Operating Temperature Range: -40° C to +100° C 3.2. Storage Temperature Range: -40° C to +100° C
www.DataSheet4U.com
Knowles Acoustics, a division of Knowles Electronics, LLC
Revision: PRELIMINARY Page 2 of 9
SPM0204UD5
4. ACOUSTIC AND ELECTRICAL SPECIFICATIONS
Symbol Directivity Frequency Range Sensitivity Output impedance Current Consumption Signal to Noise Ratio Supply Voltage Typical Input Referred Noise Sensitivity Loss across Voltage Maximum Input Sound Level f S ZOUT IDSS S/N Vs ENL A-weighted @ 1kHz (0dB=1V/Pa) @ 1kHz (0dB=1V/Pa) across 1.5 to 3.6 volts @ 1kHz (0dB=1V/Pa) Condition Omni-directional 10k -51 n/a 0.100 55 1.5 n/a -47 n/a n/a 59 n/a 35 65k -43 300 0.250 n/a 3.6 n/a Hz dB
Ω
Min.
Limits Nom.
Max.
Unit
mA dB V dBA SPL dB dB
Change in sensitivity over 3.6v to No Change Across Voltage 1.5v Range At 100dB SPL, THD < 1% At 115dB SPL, THD = < 10%
5. FREQUENCY RESPONSE CURVE
Knowles Acoustic MEMS Ultrasonic Sensor Frequency Response (Nominal Sensativity 0 = -4...
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